Your navigation system just got a critical update, one that happens periodically because Earth’s magnetic north pole keeps moving. Here’s what to know.
Magnetic north is not fixed like its geographic counterpart, the North Pole. Instead, it meanders, driven by the roiling motion of molten metals in Earth’s outer core. This relentless churn ...
Earth’s magnetic north is not static. Like an anchorless buoy pushed by ocean waves, the magnetic field is constantly on the move as liquid iron sloshes around in the planet’s outer core.
The Bears meanwhile have improved while making lesser additions. Bears general manager Ryan Poles was shown pursuing a Judon trade in the NFL Films/HBO show “Hard Knocks.” The Patriots were ...